Patent · US Active

3-amino-2-(4-nitrophenyl)-4-(3H)-quinazolinone or derivatives thereof for treating or preventing antiviral infections

US8809354B2 · kind B2 · utility

0Cited by

38References

4Claims

0Family size

Inventors

Sheikh Riazuddin · Lahore, PK
Osman Ali · Lahore, PK
Usman Ashfaq · Lahore, PK
Shaheen N. Khan · Lahore, PK
Javed Akram · Lahore, PK
Atta-ur Rahman · Karachi, PK
M. Iqbal Choudhary · Karachi, PK
Khalid M. Khan · Karachi, PK
Zulfiqar Ali Khan · Lahore, PK

Key dates

Filing date	Dec 31, 2011
Grant date	Aug 19, 2014
Priority date	—
Expiry date	Jun 16, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P31/14
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Surprising antiviral activity of 3-amino-2-(4-nitrophenyl)-4-(3H)-quinazolinone (Compound 1) was reported in the treatment or prevention of viral infections, particularly in combination with other antiviral agents such as interferon and/or ribavarin.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.